Stop Video on Modal Close

I have several modals, each with a different iframe with a different embedded youtube video.

When someone closes out of the modal (either by clicking away, hitting ESC or closing it), I would like the youtube video in the modal to stop.

I am not using bootstrap.

Below is an example of just one of the modals in action.

Any suggestions will help!

Fiddle

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<a href="#" class="button" data-modal="#modal2">Modal2</a>

    <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate.</p>

<div id="modal2" class="modal">
  <div class="modal-content">
    <a class="close">&times;</a>
    <h2>This is an image description 2</h2>
    <div class="video-container"><iframe class="youtube-video" width="560" height="315" src="https://www.youtube.com/embed/3VZFpwlXKpg?enablejsapi=1&mute=0&loop=1&version=3&playerapiid=ytplayer" frameborder="0" allowfullscreen></iframe>
    </div>
    <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate.</p>
  </div>
</div>

CSS

/* Modal */
.modal {   position: fixed;   top: 0;   right: 0;   bottom: 0;   left: 0;   z-index: 9999999;   display: none;   background: rgba(255, 255, 255, 0.5); } 
/* Fullscreen BG */
.modal-content h2 {font-size: 1.0em; }
.modal-content {   width: 80%;   height: 80vh;   overflow-x: hidden;   overflow-y: auto;   margin: 10% auto;   font-size: 1.2em; } 
.close {line-height: 25px;   font-size: 1.0em;   position: absolute;   right: -24px;   text-align: center;   top: -6px width: 24px;   z-index: 9999999;   text-decoration: none;   font-weight: bold;   cursor: pointer; }
.close:hover { color: grey; }


/* Youtube */
.video-container { overflow: hidden; position: relative; width:100%; }
.video-container::after {padding-top: 56.25%; display: block; content: ''; } 
.video-container iframe {position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

JS

//Model
$(".button").on("click", function() {
  var modal = $(this).data("modal");
  $(modal).fadeIn();
});
//click away to close model
$(".modal").on("click", function(e) {
  var className = e.target.className;
  if (className === "modal" || className === "close") {
    $(this).closest(".modal").fadeOut();
  }
});
//ESC close model
$(document).keydown(function(e) {
  var code = e.keyCode || e.which;
  if (code == 27) $(".modal").fadeOut();
});